Attemp 2 at:

chrome/browser/extensions/extension_prefs.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/string_util.h"
 #include "chrome/browser/extensions/extension_prefs.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/pref_names.h"
 
 using base::Time;
@@ skipping 17 matching lines @@
 
 // The dictionary containing the extension's manifest.
 const wchar_t kPrefManifest[] = L"manifest";
 
 // The version number.
 const wchar_t kPrefVersion[] = L"manifest.version";
 
 // Indicates if an extension is blacklisted:
 const wchar_t kPrefBlacklist[] = L"blacklist";
 
-// Indicates whether the toolbar should be shown on app tabs.
-const wchar_t kPrefAppTabToolbars[] = L"app_tab_toolbars";
-
 // Indicates whether to show an install warning when the user enables.
 const wchar_t kExtensionDidEscalatePermissions[] = L"install_warning_on_enable";
 
 // A preference that tracks extension shelf configuration.  This is a list
 // object read from the Preferences file, containing a list of toolstrip URLs.
 const wchar_t kExtensionShelf[] = L"extensions.shelf";
 
 // A preference that tracks browser action toolbar configuration. This is a list
 // object stored in the Preferences file. The extensions are stored by ID.
 const wchar_t kExtensionToolbar[] = L"extensions.toolbar";
@@ skipping 722 matching lines @@
     if (!extension_prefs)
       continue;
 
     DictionaryValue* info = NULL;
     if (extension_prefs->GetDictionary(kIdleInstallInfo, &info))
       result.insert(id);
   }
   return result;
 }
 
-bool ExtensionPrefs::AreAppTabToolbarsVisible(
-    const std::string& extension_id) {
-  // Default to hiding toolbars.
-  bool show_toolbars = false;
-  DictionaryValue* pref = GetExtensionPref(extension_id);
-  if (!pref)
-    return show_toolbars;
-
-  pref->GetBoolean(
-      ASCIIToWide(extension_id) + L"." + kPrefAppTabToolbars, &show_toolbars);
-  return show_toolbars;
-}
-
-void ExtensionPrefs::SetAppTabToolbarVisibility(
-    const std::string& extension_id, bool value) {
-  DictionaryValue* pref = GetOrCreateExtensionPref(extension_id);
-  std::wstring key = ASCIIToWide(extension_id) + L"." + kPrefAppTabToolbars;
-
-  if (value)
-    pref->SetBoolean(key, true);
-  else
-    pref->Remove(key, NULL);  // False is the default value.
-
-  prefs_->ScheduleSavePersistentPrefs();
-}
-
 
 // static
 void ExtensionPrefs::RegisterUserPrefs(PrefService* prefs) {
   prefs->RegisterDictionaryPref(kExtensionsPref);
   prefs->RegisterListPref(kExtensionShelf);
   prefs->RegisterListPref(kExtensionToolbar);
   prefs->RegisterIntegerPref(prefs::kExtensionToolbarSize, -1);
   prefs->RegisterDictionaryPref(kExtensionsBlacklistUpdate);
 }